989428090
989,428,090 is an even composite number composed of four prime numbers multiplied together.
989428090 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 989428090:
2 × 5 × 76 × 292
(2 × 5 × 7 × 7 × 7 × 7 × 7 × 7 × 29 × 29)See below for interesting mathematical facts about the number 989428090 from the Numbermatics database.
Names of 989428090
- Cardinal: 989428090 can be written as Nine hundred eighty-nine million, four hundred twenty-eight thousand and ninety.
Scientific notation
- Scientific notation: 9.8942809 × 108
Factors of 989428090
Divisors of 989428090
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 343 406 490 686 841 1015 1421 1682 1715 2030 2401 2842 3430 4205 4802 5887 7105 8410 9947 11774 12005 14210 16807 19894 24010 29435 33614 41209 49735 58870 69629 82418 84035 99470 117649 139258 168070 206045 235298 288463 348145 412090 487403 576926 588245 696290 974806 1176490 1442315 2019241 2437015 2884630 3411821 4038482 4874030 6823642 10096205 14134687 17059105 20192410 28269374 34118210 70673435 98942809 141346870 197885618 494714045 989428090
- Sum of all divisors σ(n): 2151915246
- Sum of proper divisors (its aliquot sum) s(n): 1162487156
- 989428090 is an abundant number, because the sum of its proper divisors (1162487156) is greater than itself. Its abundance is 173059066
Bases of 989428090
- Binary: 1110101111100101111001011110102
- Hexadecimal: 0x3AF9797A
- Base-36: GD2VLM
Squares and roots of 989428090
- 989428090 squared (9894280902) is 978967945281048100
- 989428090 cubed (9894280903) is 968618384270651934781129000
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The
square root of 989428090 is 31455.1758856949 -
The
cube root of 989428090 is 996.4635381807
Scales and comparisons
How big is 989428090?- 989,428,090 seconds is equal to 31 years, 23 weeks, 6 days, 17 hours, 8 minutes, 10 seconds.
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To count from 1 to 989,428,090 would take you about forty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 989428090 cubic inches would be around 83 feet tall.
Recreational maths with 989428090
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